Vacuum cleaner



FIG. 1 is a right side perspective view of a vacuum cleaner showing ournew design;

FIG. 2 is a front and left side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is an enlarged top plan view thereof; and,

FIG. 8 is an enlarged bottom plan view thereof.

We claim the ornamental design for a vacuum cleaner, as shown anddescribed.